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<title>FBB::X2a</title>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
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<h1>FBB::X2a</h1>
<h2>libbobcat-dev_3.23.01-x.tar.gz</h2>
<h2>2005-2014</h2>
<html><head>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
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<h1></h1>
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<title>FBB::X2a(3bobcat)</title>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
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<h1>FBB::X2a(3bobcat)</h1>
<h2>libbobcat-dev_3.23.01-x.tar.gz X-to-ASCII conversions</h2>
<h2>2005-2014</h2>
<p>
<h2>NAME</h2>FBB::X2a - Objects performing x-to-Ascii conversions
<p>
<h2>SYNOPSIS</h2>
<strong>#include <bobcat/x2a></strong><br>
Linking option: <em>-lbobcat</em>
<p>
<h2>DESCRIPTION</h2>
<strong>FBB:X2a</strong> objects convert values of any (insertable) type to text. The
returned text is automatically made available as a standard <strong>C++</strong> string.
<p>
<h2>NAMESPACE</h2>
<strong>FBB</strong><br>
All constructors, members, operators and manipulators, mentioned in this
man-page, are defined in the namespace <strong>FBB</strong>.
<p>
<h2>INHERITS FROM</h2>
<strong>std::ostringstream</strong>
<p>
<h2>CONSTRUCTORS</h2>
<ul>
<li> <strong>X2a(T const &value)</strong>:<br>
In this constructor <em>T</em> may be any type that can be inserted into an
<em>o[string]stream</em>.
<li> <strong>X2a(double value, size_t behind)</strong>:<br>
Double <em>value</em> is truncated to <em>behind</em> digits behind the decimal
dot. If a value doesn't occupy <em>behind</em> digits behind the decimal point,
then missing digits are added as <em>0</em>. For example, a value of 7.1, will be
displayed as 7.10 if two digits behind the decimal dot are requested. A value
of 7 will be displayed as 7.00.
<p>
<li> <strong>X2a(double value, size_t width, size_t behind, std::ios::fmtflags
flags = std::ios::right)</strong>:<br>
The value is displayed over <em>width</em> character positions, extending
the amount if the value so requires. The converted value is placed
right-aligned into the field of <em>width</em> characters.
</ul>
The copy constructor is available as well.
<p>
<h2>STATIC MEMBER FUNCTION</h2>
<ul>
<li> <strong>bool lastFail()</strong>:<br>
This member returns <em>true</em> if the last conversion failed (i.e., the
object's <em>fail()</em> member returned <em>true</em> and returns <em>false</em> otherwise).
This member allows checks on the success of the extraction/conversion using
anonymous <em>A2x</em> objects. The member also returns <em>true</em> when no
conversions have as yet been performed.<br>
Note that this member is a thread-unsafe <em>static</em> member: in a
multithreaded program locks may be required to ensure that the proper
conversion result is inspected.
</ul>
<p>
<h2>MEMBER FUNCTIONS</h2>
All members of <strong>std::ostringstream</strong> are
available, as <strong>FBB::X2a</strong> inherits from this class. In particular
<em>ostringstream::str()</em> can be used to obtain the contents of an <em>X2a</em>
object's text buffer.
<p>
<h2>OVERLOADED OPERATORS</h2>
<ul>
<li> <strong>operator std::ostream &operator<<(std::ostream &ostr, X2a const &x2a)</strong>:<br>
This conversion operator inserts the textual representation of the
<em>x2a</em> parameter value into the provided <em>ostream</em>.
<li> <strong>operator std::string const() const</strong>:<br>
this conversion operator returns the information stored inside the
<strong>FBB::X2a</strong> object.
</ul>
The standard overloaded assignment operator is available as well.
<p>
<h2>EXAMPLE</h2>
<pre>
string is(X2a(5)); // initializes `is' with "5"
string ds(X2a(5.25)); // initializes `ds' with "5.25"
cout << X2a(7.0 / 3, 4) << endl;
// display a value using 4 digits behind the
// decimal dot.
cout << X2a(7.0 / 3, 8, 4) << endl;
// display a value over 8 positions, right
// adjusted, 4 digits behind the decimal dot.
cout << X2a(7.0 / 3, 8, 4, std::ios::left) << endl;
// display a value over 8 positions, left
// adjusted, 4 digits behind the decimal dot.
</pre>
<p>
<h2>FILES</h2>
<em>bobcat/x2a</em> - defines the class interface
<p>
<h2>SEE ALSO</h2>
<strong>bobcat</strong>(7), <strong>a2x</strong>(3bobcat)
<p>
<h2>BUGS</h2>
None Reported.
<p>
<h2>DISTRIBUTION FILES</h2>
<ul>
<li> <em>bobcat_3.23.01-x.dsc</em>: detached signature;
<li> <em>bobcat_3.23.01-x.tar.gz</em>: source archive;
<li> <em>bobcat_3.23.01-x_i386.changes</em>: change log;
<li> <em>libbobcat1_3.23.01-x_*.deb</em>: debian package holding the
libraries;
<li> <em>libbobcat1-dev_3.23.01-x_*.deb</em>: debian package holding the
libraries, headers and manual pages;
<li> <em>http://sourceforge.net/projects/bobcat</em>: public archive location;
</ul>
<p>
<h2>BOBCAT</h2>
Bobcat is an acronym of `Brokken's Own Base Classes And Templates'.
<p>
<h2>COPYRIGHT</h2>
This is free software, distributed under the terms of the
GNU General Public License (GPL).
<p>
<h2>AUTHOR</h2>
Frank B. Brokken (<strong>f.b.brokken@rug.nl</strong>).
<p>
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